1. With timing mode to meet the different needs
2. Using segmented combustion technology, wide adjustment range of bathroom
3. Anti-electromagnetic interference device, to be more stable
4. Using oxygen-free copper heat exchanger, with higher heating efficiency
5. Coaxial flue exhaust smoke, to be more safe
6. 36 kinds of safety protection function, to be more safe and reliable
7. Three-level antifreeze function, safe operation at low temperature
8. Low water pressure start, regardless of low water pressure and floor height